Methods of test for petroleum and its products. Bitumen and bituminous binders. Determination of viscosity of bitumen using a rotating spindle apparatus— 10 стр.
91.100.50 Binders. Including geomembranes, asphalts for buildings, etc. / Связующие вещества. Уплотнители. Включая геомембраны, строительный асфальт и т.д.